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EC2 is one of the fundamental services on AWS. If you are not 100% Serverless, your application health depends on the health of your EC2 instances. When I do AWS architecture reviews for our clients, I check that CPU burst capacity is monitored for EC2 ...

We help numerous clients to automate AWS with the help of CloudFormation. As you can imagine, we can reuse CloudFormation templates across clients. The template library comes with several advantages:
Higher quality: we continuously improve the template...

Tweaking database performanceAn RDS database, or a SQL database in general, can only be scaled vertically. To scale a database vertically means to increase the resources of your database but you still have a single database. If the performance of your d...

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About us

Andreas Wittig

Andreas is an Amazon Web Services (AWS) and DevOps enthusiast. His first cloud project was to build the infrastructure for an online banking platform on AWS. Andreas loves to teach no matter if virtual or face-to-face. He is the author of Amazon Web Services in Action, published by Manning.

Michael Wittig

Michael Wittig is author of Amazon Web Services in Action (Manning). He helps his clients to gain value from Amazon Web Services. As a software engineer he develops cloud-native real-time web applications. He has expertise in distributed system development and architecture, with experience in algorithmic trading and real-time analytics.

More posts

You don’t need a virtual machine to run your own source code any more as AWS Lambda offers execution environments for Java, JavaScript (Node.js), C#, Go, and Python. All you need to do is to implement a function, upload your source code and configure th...

I used Elasticsearch in various projects: to add rich search functionality to applications as well as to collect and analyze logs with the help of Kibana. In both cases, either your users or your operators rely on the Elasticsearch infrastructure. In on...

Amazon RDS provides PostgreSQL, MySQL, MariaDB, Oracle, and Microsoft SQL Server as a Service. The fully managed service covers a lot of the challenges of operating a database (e.g., master-standby replication, snapshots, patching the operating system a...